US-FAA14 CFR 91.25
Aviation Safety Reporting Program: Prohibition against use of reports for enforcement purposes
Read the official ruleOfficial FAA regulation text (public domain)
The Administrator of the FAA will not use reports submitted to the National Aeronautics and Space Administration under the Aviation Safety Reporting Program (or information derived therefrom) in any enforcement action except information concerning accidents or criminal offenses which are wholly excluded from the Program.
Verbatim text of a US Federal Aviation Regulation (public domain), reproduced for reference — not legal advice and not for navigation. A plain-English explainer may be added later; always rely on the current official rule linked above.